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## Homework Statement

| x 0 c|

| -1 x b| = 0

| 0 -1 a|

## Homework Equations

## The Attempt at a Solution

As best as I can tell I would end up with x * (xa - (-1b)) and -1c and then I would end up with Ax^2 + BX + C which leaves me confused am I looking at a quadratic equation for the answer or is there a way to get numerical values out of it?